20079320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16193}}^1$

素因数の和:16235

約数の個数: 32

約数和(自身を含む): 46638720

約数和(自身を除く): 26559400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16193, 32386, 64772, 80965, 129544, 161930, 323860, 501983, 647720, 1003966, 2007932, 2509915, 4015864, 5019830, 10039660, 20079320]

約数ペア:

[(1, 20079320), (2, 10039660), (4, 5019830), (5, 4015864), (8, 2509915), (10, 2007932), (20, 1003966), (31, 647720), (40, 501983), (62, 323860), (124, 161930), (155, 129544), (248, 80965), (310, 64772), (620, 32386), (1240, 16193)]